<template>
  <!-- 表单 -->
  <el-form ref="addForm" :model="formData" :rules="rules" label-width="120px">
    <el-form-item label="姓名" prop="username">
      <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
    </el-form-item>
    <el-form-item label="手机" prop="mobile">
      <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
    </el-form-item>
    <el-form-item label="入职时间" prop="timeOfEntry">
      <el-date-picker v-model="formData.timeOfEntry" type="date" placeholder="选择日期" style="width: 100%;" />
    </el-form-item>
    <el-form-item label="聘用形式" prop="formOfEmployment">
      <el-select v-model="formData.formOfEmployment" style="width:85%" placeholder="请选择">
        <el-option
          v-for="item in hireType"
          :key="item.id"
          :label="item.value"
          :value="item.id"
        />
      </el-select>
    </el-form-item>
    <el-form-item label="工号" prop="workNumber">
      <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
    </el-form-item>
    <el-form-item label="部门" prop="departmentName">
      <el-input
        v-model="formData.departmentName"
        style="width:85%"
        placeholder="请选择部门"
        @focus="departmentNameFocus"
        @blur="blur"
      />
      <div v-if="showTree" class="tree-box">
        <el-tree
          :data="treeData"
          default-expand-all
          :props="{ label: 'name' }"
          @node-click="handleNodeClick"
        />
      </div>
    </el-form-item>
    <el-form-item label="转正时间" prop="correctionTime">
      <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间" />
    </el-form-item>

    <el-form-item>
      <el-button @click="addCancel">取消</el-button>
      <el-button type="primary" @click="addSubmit">确定</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
// 引入api方法
import { getDepartments } from '@/api/departments'
import { addEmployee } from '@/api/employees'
// 树形结构的转换方法
import { tranListToTreeData } from '@/utils'
// 导入需要枚举的导入
import EmployeeEnum from '@/constant/employees'
export default {
  name: 'EmpDialog',

  data() {
    return {
      showTree: false,
      treeData: [], // 树形控件的数据
      // 聘用形式数据绑定
      hireType: EmployeeEnum.hireType,
      // 添加表单字段
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      // 添加表单的校验字段
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: 'blur' },
          { min: 1, max: 4, message: '用户姓名为1-4位', trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: 'blur' },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: 'blur' }
        ],
        formOfEmployment: [
          { required: true, message: '聘用形式不能为空', trigger: 'blur' }
        ],
        workNumber: [
          { required: true, message: '工号不能为空', trigger: 'blur' }
        ],
        departmentName: [
          { required: true, message: '部门不能为空', trigger: 'change' }
        ],
        timeOfEntry: [
          { required: true, message: '请选择入职时间', trigger: 'blur' }
        ]
      }
    }
  },

  created() {
    this.getDepartments()
  },

  methods: {

    // 失去焦点的处理方法
    blur() {
      setTimeout(() => {
        this.showTree = false
      }, 100)
    },

    // tree 节点被点击时的回调
    handleNodeClick(data) {
    // 如果当前部门还有子部门，则不能被选中
      if (data && data.children) return

      // 把当前选中的节点显示在 input 框中
      this.formData.departmentName = data.name
      // 隐藏 tree
      this.showTree = false
    },

    // 当 input 输入框获取到焦点时获取到树行数据
    departmentNameFocus() {
      this.getDepartments()
      this.showTree = true
    },

    // 获取树行组件的数据
    async getDepartments() {
      const res = await getDepartments()
      this.treeData = tranListToTreeData(res.data.depts, '')
    },

    // 点击取消按钮
    addCancel() {
      this.$emit('close')
      this.$refs.addForm.resetFields()
    },

    // 添加员工
    addSubmit() {
      this.$refs.addForm.validate(async valid => {
        if (!valid) return

        const res = await addEmployee(this.formData)
        // 添加成功提示信息
        this.$message.success(res.message)
        this.$refs.addForm.resetFields()
        this.$emit('close')
      })
    }
  }
}
</script>

<style lang="scss" scoped></style>
